Volvo V60 Plug-In Hybrid Owner's Manual page 302

08 Starting and driving
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Turn the key anticlockwise to locked
position. Remove the key from the lock.
08
300
Check that the towbar is secure by pull-
ing it up, down and back.
WARNING
If the towbar is not fitted correctly then it
must be detached and reattached in
accordance with the previous instructions.
IMPORTANT
Only grease in the ball for the towing hitch,
the remainder of the towbar should be
clean and dry.
Safety cable.
WARNING
Take care to secure the trailer's safety
cable in the intended bracket.
Removing the towbar
Insert the key and turn it clockwise to the
unlocked position.